Question

Сократите дробь: 42/72
а) 21/36, б) 7/18, в) 2/3

Answer 1

7/12    а) 7/12 б) 7/18 в) 2/3

Answer 2

42/72:21/36=42/72*36/21=2/2=1
42/72:7/18=42/72*18/7=6/4=3/2=1 1/2
42/72:2/3=42/72*3/2=21/24